답안 #885414

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
885414	2023-12-09T15:34:55 Z	TahirAliyev	경주 (Race) (IOI11_race)	C++17	100 / 100	360 ms	97656 KB

race

#include "race.h"
#include <bits/stdc++.h>

using namespace std;

#define ll long long
#define pii pair<ll, ll>
#define oo 1e9

const int MAX = 2e5 + 5;

vector<pii> g[MAX];
int n, k;

map<ll, int> mp[MAX];

int ans = oo;

void dfs(int node, int p, ll d, int h){
    for(pii to : g[node]){
        if(to.first == p) continue;
        dfs(to.first, node, d + to.second, h + 1);
        if(mp[to.first].size() > mp[node].size()){
            swap(mp[node], mp[to.first]);
        }
    }
    for(pii to : g[node]){
        if(to.first == p) continue;
        for(auto a : mp[to.first]){
            if(!a.second) continue;
            ll need = d + (k - (a.first - d));
            if(need <= d || mp[node].find(need) == mp[node].end()) continue;
            ans = min(ans, (a.second - h) + (mp[node][need] - h));
        }
        for(auto a : mp[to.first]){
            if(!a.second) continue;
            if(mp[node].find(a.first) == mp[node].end()){
                mp[node][a.first] = a.second;
            }
            else{
                mp[node][a.first] = min(a.second, mp[node][a.first]);
            }
        }
    }
    mp[node][d] = h;
    if(mp[node].find(d + k) != mp[node].end()){
        ans = min(ans, mp[node][d + k] - h);
    }
}

int best_path(int N, int K, int H[][2], int L[]){
    n = N;
    k = K;
    for(int i = 0; i < n; i++){
        g[H[i][0]].push_back({H[i][1], L[i]});
        g[H[i][1]].push_back({H[i][0], L[i]});
    }
    dfs(0, 0, 0, 0);
    if(ans == oo) return -1;
    return ans;
}

Subtask #1
9.0 / 9.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 ms	18012 KB	Output is correct
2	Correct	4 ms	18108 KB	Output is correct
3	Correct	4 ms	18012 KB	Output is correct
4	Correct	5 ms	18012 KB	Output is correct
5	Correct	4 ms	18012 KB	Output is correct
6	Correct	4 ms	18176 KB	Output is correct
7	Correct	5 ms	18012 KB	Output is correct
8	Correct	5 ms	18172 KB	Output is correct
9	Correct	4 ms	18204 KB	Output is correct
10	Correct	4 ms	18012 KB	Output is correct
11	Correct	4 ms	18012 KB	Output is correct
12	Correct	4 ms	18012 KB	Output is correct
13	Correct	4 ms	18100 KB	Output is correct
14	Correct	4 ms	18012 KB	Output is correct
15	Correct	4 ms	18172 KB	Output is correct
16	Correct	4 ms	18012 KB	Output is correct
17	Correct	3 ms	18012 KB	Output is correct
18	Correct	4 ms	18012 KB	Output is correct

Subtask #2
12.0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 ms	18012 KB	Output is correct
2	Correct	4 ms	18108 KB	Output is correct
3	Correct	4 ms	18012 KB	Output is correct
4	Correct	5 ms	18012 KB	Output is correct
5	Correct	4 ms	18012 KB	Output is correct
6	Correct	4 ms	18176 KB	Output is correct
7	Correct	5 ms	18012 KB	Output is correct
8	Correct	5 ms	18172 KB	Output is correct
9	Correct	4 ms	18204 KB	Output is correct
10	Correct	4 ms	18012 KB	Output is correct
11	Correct	4 ms	18012 KB	Output is correct
12	Correct	4 ms	18012 KB	Output is correct
13	Correct	4 ms	18100 KB	Output is correct
14	Correct	4 ms	18012 KB	Output is correct
15	Correct	4 ms	18172 KB	Output is correct
16	Correct	4 ms	18012 KB	Output is correct
17	Correct	3 ms	18012 KB	Output is correct
18	Correct	4 ms	18012 KB	Output is correct
19	Correct	4 ms	18012 KB	Output is correct
20	Correct	5 ms	18168 KB	Output is correct
21	Correct	4 ms	18268 KB	Output is correct
22	Correct	5 ms	18452 KB	Output is correct
23	Correct	6 ms	18268 KB	Output is correct
24	Correct	5 ms	18268 KB	Output is correct
25	Correct	5 ms	18264 KB	Output is correct
26	Correct	5 ms	18268 KB	Output is correct
27	Correct	4 ms	18268 KB	Output is correct
28	Correct	4 ms	18268 KB	Output is correct
29	Correct	5 ms	18436 KB	Output is correct
30	Correct	5 ms	18268 KB	Output is correct
31	Correct	5 ms	18256 KB	Output is correct
32	Correct	4 ms	18268 KB	Output is correct
33	Correct	5 ms	18268 KB	Output is correct
34	Correct	4 ms	18268 KB	Output is correct
35	Correct	5 ms	18268 KB	Output is correct
36	Correct	4 ms	18268 KB	Output is correct
37	Correct	4 ms	18268 KB	Output is correct
38	Correct	4 ms	18172 KB	Output is correct

Subtask #3
22.0 / 22.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 ms	18012 KB	Output is correct
2	Correct	4 ms	18108 KB	Output is correct
3	Correct	4 ms	18012 KB	Output is correct
4	Correct	5 ms	18012 KB	Output is correct
5	Correct	4 ms	18012 KB	Output is correct
6	Correct	4 ms	18176 KB	Output is correct
7	Correct	5 ms	18012 KB	Output is correct
8	Correct	5 ms	18172 KB	Output is correct
9	Correct	4 ms	18204 KB	Output is correct
10	Correct	4 ms	18012 KB	Output is correct
11	Correct	4 ms	18012 KB	Output is correct
12	Correct	4 ms	18012 KB	Output is correct
13	Correct	4 ms	18100 KB	Output is correct
14	Correct	4 ms	18012 KB	Output is correct
15	Correct	4 ms	18172 KB	Output is correct
16	Correct	4 ms	18012 KB	Output is correct
17	Correct	3 ms	18012 KB	Output is correct
18	Correct	4 ms	18012 KB	Output is correct
19	Correct	77 ms	37896 KB	Output is correct
20	Correct	83 ms	37720 KB	Output is correct
21	Correct	96 ms	37812 KB	Output is correct
22	Correct	90 ms	37944 KB	Output is correct
23	Correct	117 ms	51168 KB	Output is correct
24	Correct	101 ms	43552 KB	Output is correct
25	Correct	58 ms	35924 KB	Output is correct
26	Correct	47 ms	43644 KB	Output is correct
27	Correct	144 ms	46828 KB	Output is correct
28	Correct	166 ms	79708 KB	Output is correct
29	Correct	197 ms	78184 KB	Output is correct
30	Correct	132 ms	46676 KB	Output is correct
31	Correct	141 ms	46828 KB	Output is correct
32	Correct	207 ms	46928 KB	Output is correct
33	Correct	155 ms	45400 KB	Output is correct
34	Correct	239 ms	78416 KB	Output is correct

Subtask #4
57.0 / 57.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 ms	18012 KB	Output is correct
2	Correct	4 ms	18108 KB	Output is correct
3	Correct	4 ms	18012 KB	Output is correct
4	Correct	5 ms	18012 KB	Output is correct
5	Correct	4 ms	18012 KB	Output is correct
6	Correct	4 ms	18176 KB	Output is correct
7	Correct	5 ms	18012 KB	Output is correct
8	Correct	5 ms	18172 KB	Output is correct
9	Correct	4 ms	18204 KB	Output is correct
10	Correct	4 ms	18012 KB	Output is correct
11	Correct	4 ms	18012 KB	Output is correct
12	Correct	4 ms	18012 KB	Output is correct
13	Correct	4 ms	18100 KB	Output is correct
14	Correct	4 ms	18012 KB	Output is correct
15	Correct	4 ms	18172 KB	Output is correct
16	Correct	4 ms	18012 KB	Output is correct
17	Correct	3 ms	18012 KB	Output is correct
18	Correct	4 ms	18012 KB	Output is correct
19	Correct	4 ms	18012 KB	Output is correct
20	Correct	5 ms	18168 KB	Output is correct
21	Correct	4 ms	18268 KB	Output is correct
22	Correct	5 ms	18452 KB	Output is correct
23	Correct	6 ms	18268 KB	Output is correct
24	Correct	5 ms	18268 KB	Output is correct
25	Correct	5 ms	18264 KB	Output is correct
26	Correct	5 ms	18268 KB	Output is correct
27	Correct	4 ms	18268 KB	Output is correct
28	Correct	4 ms	18268 KB	Output is correct
29	Correct	5 ms	18436 KB	Output is correct
30	Correct	5 ms	18268 KB	Output is correct
31	Correct	5 ms	18256 KB	Output is correct
32	Correct	4 ms	18268 KB	Output is correct
33	Correct	5 ms	18268 KB	Output is correct
34	Correct	4 ms	18268 KB	Output is correct
35	Correct	5 ms	18268 KB	Output is correct
36	Correct	4 ms	18268 KB	Output is correct
37	Correct	4 ms	18268 KB	Output is correct
38	Correct	4 ms	18172 KB	Output is correct
39	Correct	77 ms	37896 KB	Output is correct
40	Correct	83 ms	37720 KB	Output is correct
41	Correct	96 ms	37812 KB	Output is correct
42	Correct	90 ms	37944 KB	Output is correct
43	Correct	117 ms	51168 KB	Output is correct
44	Correct	101 ms	43552 KB	Output is correct
45	Correct	58 ms	35924 KB	Output is correct
46	Correct	47 ms	43644 KB	Output is correct
47	Correct	144 ms	46828 KB	Output is correct
48	Correct	166 ms	79708 KB	Output is correct
49	Correct	197 ms	78184 KB	Output is correct
50	Correct	132 ms	46676 KB	Output is correct
51	Correct	141 ms	46828 KB	Output is correct
52	Correct	207 ms	46928 KB	Output is correct
53	Correct	155 ms	45400 KB	Output is correct
54	Correct	239 ms	78416 KB	Output is correct
55	Correct	15 ms	20828 KB	Output is correct
56	Correct	8 ms	19548 KB	Output is correct
57	Correct	53 ms	36376 KB	Output is correct
58	Correct	43 ms	32204 KB	Output is correct
59	Correct	63 ms	50000 KB	Output is correct
60	Correct	209 ms	78320 KB	Output is correct
61	Correct	172 ms	50724 KB	Output is correct
62	Correct	139 ms	46868 KB	Output is correct
63	Correct	161 ms	46896 KB	Output is correct
64	Correct	360 ms	96960 KB	Output is correct
65	Correct	311 ms	97656 KB	Output is correct
66	Correct	204 ms	74576 KB	Output is correct
67	Correct	138 ms	46264 KB	Output is correct
68	Correct	246 ms	65108 KB	Output is correct
69	Correct	297 ms	65552 KB	Output is correct
70	Correct	241 ms	63060 KB	Output is correct

답안 #885414

Compilation message

Subtask #1 9.0 / 9.0

Subtask #2 12.0 / 12.0

Subtask #3 22.0 / 22.0

Subtask #4 57.0 / 57.0

Subtask #1
9.0 / 9.0

Subtask #2
12.0 / 12.0

Subtask #3
22.0 / 22.0

Subtask #4
57.0 / 57.0